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war,r Inc. You have been retained by Par, Inc., a major manufacturer of golf equipment, to offer consultation about a new product that is currently

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war,r Inc. You have been retained by Par, Inc., a major manufacturer of golf equipment, to offer consultation about a new product that is currently under development. Management believes that Par's market share can be increased with the introduction of a new cut- resistant, longer-lasting golf ball. The research group at Par has been investigating a new golf ball coating. The new coating has been designed to resist cuts, leading to a more durable product. So far, the durability tests have been promising. One of the researchers on your team has voiced concerns about the effects of the new coating on the performance of the new golf ball. Par would like the new cut-resistant ball to offer driving distances comparable to those of the current-model golf ball. The average driving distance for the new golf ball can be equal to or longer than the current model, but not shorter. To compare the driving distances for the two models, you arranged an experiment in conjunction with the Far research team. Fortyr golf balls of each type were subjected to driving-distance tests. You offered the idea of testing the driving distance with a mechanical hitting machine to isolate any mean differences in the distances to the two model golf balls themselves. The results of the tests, with distances measured to the nearest yard, follow. Let ,u1=population mean driving distance for the current golf ball p2=population mean driving distance for the new golf ball After collecting data for the average driving distance for both the current golf ball and the new cut-resistant golf ball, you decided to conduct a Two-Sample t-test in Excel (assuming unequal variances). The output is below: tTest: Two-Sample Assuming Unequal Variances Mean Vanance J'LI I' An an tTest: Two-Sample Assuming Unequal Variances Current New Mean 2?0.2T5 267.5 Variance ?6.614?4359 9?.948?1795 Observations 4U 40 Hypothesized Mean Difference 0 df T? t Stat 1328361594 P(T

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